Lt. William 'Bill' Gordon / Anson Meridan
Capt. Nicholas 'Nikki' Nieterstein
John Carter, Assistant Secretary of War
Russian Ambassador Gregory
Mrs. Hendricks (uncredited)
Lady Cavendish (uncredited)
Agent Patrick O'Reilly (uncredited)
Bobbie Burns (uncredited)
De Segroff's Associate (uncredited)
Carter's Aide (uncredited)
Desk Clerk Assistant (uncredited)
Jackson's Assistant (uncredited)
1st Military Policeman (uncredited)
2st Military Policeman (uncredited)
German Torpedo Man (uncredited)
Hotel Desk Clerk (uncredited)
Radio Operator (uncredited)
Colonel Petroff (uncredited)
2nd Lieutenant (uncredited)
Customs Officer in Mexico (uncredited)
Carter's Receptionist (uncredited)
Code Room Clerk (uncredited)
Code Room Clerk (uncredited)
Man in Code Room (uncredited)
German-Speaking Bellhop (uncredited)
Boris Stronskoff - Russian Singer (uncredited)
Café Doorman (uncredited)
Ship's Captain (uncredited)
Army Officer (uncredited)
Red Cross Nurse (uncredited)
Drug Store Clerk (uncredited)